4624409 has 4 divisors (see below), whose sum is σ = 4711716. Its totient is φ = 4537104.

The previous prime is 4624393. The next prime is 4624439. The reversal of 4624409 is 9044264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1974025 + 2650384 = 1405^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 4624409 - 2⁴ = 4624393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4624439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43574 + ... + 43679.

It is an arithmetic number, because the mean of its divisors is an integer number (1177929).

Almost surely, 2^4624409 is an apocalyptic number.

It is an amenable number.

4624409 is a deficient number, since it is larger than the sum of its proper divisors (87307).

4624409 is an equidigital number, since it uses as much as digits as its factorization.

4624409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87306.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4624409 is about 2150.4439076619. The cubic root of 4624409 is about 166.6039955481.

The spelling of 4624409 in words is "four million, six hundred twenty-four thousand, four hundred nine".